Coordinated observations of migrating tides by multiple meteor radars in the equatorial mesosphere and lower thermosphere

J Wang, W Yi, J Wu, T Chen, X Xue… - Journal of …, 2022 - Wiley Online Library
We present the migrating tidal winds decomposed jointly from multiple meteor radars in four
longitudinal sectors situated in the equatorial mesosphere and lower thermosphere. The …

Decadal Quasi-2-Day Wave Observations in the Equatorial Mesopause Region by a Meteor Radar over Kototabang (0.2 S, 100.3 E) and TIMED/TIDI and Comparison …

R Sun, SY Gu, X Dou, Y Wei, Y Qin, Z Yang - Remote Sensing, 2023 - mdpi.com
We studied the characteristics of quasi-two-day wave (QTDW) using the meridional wind in
the mesosphere and lower thermosphere (MLT) obtained from a meteor radar over …

[HTML][HTML] Global balanced wind derived from SABER temperature and pressure observations and its validations

X Liu, J Xu, J Yue, Y Yu, PP Batista… - Earth System …, 2021 - essd.copernicus.org
Zonal winds in the stratosphere and mesosphere play important roles in atmospheric
dynamics and aeronomy. However, the direct measurement of winds in this height range is …

Interhemispheric Coupling Study by Observations and Modelling (ICSOM): Concept, campaigns, and initial results

K Sato, Y Tomikawa, M Kohma, R Yasui… - Journal of …, 2023 - Wiley Online Library
An international joint research project, entitled Interhemispheric Coupling Study by
Observations and Modelling (ICSOM), is ongoing. In the late 2000s, an interesting form of …

[HTML][HTML] An ensemble Kalman filter data assimilation system for the whole neutral atmosphere

D Koshin, K Sato, K Miyazaki… - Geoscientific Model …, 2020 - gmd.copernicus.org
A data assimilation system with a four-dimensional local ensemble transform Kalman filter
(4D-LETKF) is developed to make a new analysis dataset for the atmosphere up to the lower …

An update on the 4D-LETKF data assimilation system for the whole neutral atmosphere

D Koshin, K Sato, M Kohma… - Geoscientific Model …, 2022 - gmd.copernicus.org
The four-dimensional local ensemble transform Kalman filter (4D-LETKF) data assimilation
system for the whole neutral atmosphere is updated to better represent disturbances with …

The Impact of the Quasi‐Biennial Oscillation on the Mesosphere and Ionosphere

R Sun, SY Gu, X Dou, R Zhang, J Kuai… - Journal of Geophysical …, 2022 - Wiley Online Library
We studied the responses of the mesosphere and ionosphere to the quasi‐biennial
oscillation (QBO) in the stratosphere using meteor radar zonal wind observations over …

Measurement of momentum flux using two meteor radars in Indonesia

N Matsumoto, A Shinbori, DM Riggin… - Annales …, 2016 - angeo.copernicus.org
Two nearly identical meteor radars were operated at Koto Tabang (0.20∘ S, 100.32∘ E),
West Sumatra, and Biak (1.17∘ S, 136.10∘ E), West Papua, in Indonesia, separated by …

Meteor radar estimations of gravity wave momentum fluxes: Evaluation using simulations and observations over three tropical locations

M Pramitha, K Kishore Kumar… - Journal of …, 2019 - Wiley Online Library
Meteor radars are widely used to study gravity wave (GW) variances and their momentum
fluxes at the altitudes where meteor counts are sufficient to yield good statistical fits to the …

Is Mesospheric Quasi Biennial Oscillation Ephemeral?

KK Kumar - Geophysical Research Letters, 2021 - Wiley Online Library
The time evolution of mesospheric quasi biennial oscillation (MQBO) in the 82–98 km
altitude region using long‐term meteor radar observations over low and equatorial latitudes …